21035056

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{641}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 46809504

約数和(自身を除く): 25774448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 586, 641, 1172, 1282, 2051, 2344, 2564, 4102, 4487, 4688, 5128, 8204, 8974, 10256, 16408, 17948, 32816, 35896, 71792, 187813, 375626, 751252, 1314691, 1502504, 2629382, 3005008, 5258764, 10517528, 21035056]

約数ペア:

[(1, 21035056), (2, 10517528), (4, 5258764), (7, 3005008), (8, 2629382), (14, 1502504), (16, 1314691), (28, 751252), (56, 375626), (112, 187813), (293, 71792), (586, 35896), (641, 32816), (1172, 17948), (1282, 16408), (2051, 10256), (2344, 8974), (2564, 8204), (4102, 5128), (4487, 4688)]